/*
 * File: do_while_loop.c
 * Author: D. Sheets
 * Description: Example of using do-while loop
 */

#include <stdio.h>

int main(void)
{
  char input;

  /* Note that with a do-while loop, we don't need to worry about
   * initializing input prior to getting to the loop, since the test
   * will not occur until after the loop has executed the first time.
   */
  do
  {
    /* The following code will execute at least once */
    char cr;
    printf("Type x to exit\n");
    scanf("%c%c", &input, &cr);
    /* After the code is executed, the test below will be checked, if
     * it is true (it evaluates to non-zero) then the code within the
     * do-while will be executed again. It will continue to execute
     * as long as the test evaluates to true.
     */
  } while(input != 'x');

  /* When we reach this code, input must have been == to 'x' */
  return(0);
}